Niner SIR 9 Mountain Bike Frame - 2018

Niner SIR 9 Mountain Bike Frame - 2018
Niner SIR 9 Mountain Bike Frame - 2018
$1200.00
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SIR 9 Mountain Bike Frame - 2018 by Niner
Reincarnated for 2018, the Niner SIR 9 Mountain Bike Frame is one of the most versatile hardtails on the market thanks to its supple Reynolds 853 steel construction paired with modernized trail geometry, the ability to run 29-inch or 27. 5+ wheels, and 18 mounting points for bikepacking adventures. Whether you're seeking a steel hardtail for spirited rides through the local forest or you're looking for a dependable pack mule for long-distance adventures, the SIR 9 satisfies your itch for exploration with its simplicity, strength, and unmatched versatility. The customization doesn't stop there, with the SIR 9 accommodating both geared and singlespeed drivetrains, although singlespeeds require Niner's Biocentric 30 (not included). Seeing that the bike industry is ever-evolving, it makes perfect sense that Niner designed the latest SIR 9 with their [R]evolution trail geometry, which makes the bike longer in the top tube and shorter in the chainstays. This redesign gives the SIR 9 a lively personality that's quick to turn through tight switchbacks and sweeping berms, as well as making it roomier in the cockpit, so you're well-balanced and comfortable across long distances. The longer wheelbase tracks confidently when you open it up at higher speeds for added composure without it ever feeling twitchy or unnerving when pushed to the limit. Paired with a recommended 120-millimeter fork, you'll find the SIR 9 moves from a rather XC-focused head tube angle of 70 degrees (for the previous model) to a more trail-worthy 68 degrees. This gives you added confidence to attack fast descents and technical trail sections previously on the edge of the old bike's comfort zone. And though it's slacker than before, the SIR 9 still pedals and climbs with gusto, thanks in part to its steeper 74-degree seat tube angle, which places you in an optimal pedaling position. Delving into the frame construction, you'll love the smooth, supple feel of SIR 9's Reynolds 853 steel, especially whe...

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SKU: NNR0069
Options, sizes, colors available on Backcountry
Manufactured by Niner
Niner SIR 9 Mountain Bike Frame - 2018 ships and sold by Backcountry
Price subject to change
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